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From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To:     Lee Jones <lee@kernel.org>, Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Yu Chen <chenyu56@huawei.com>,
        Binghui Wang <wangbinghui@hisilicon.com>,
        Kishon Vijay Abraham I <kishon@ti.com>,
        Vinod Koul <vkoul@kernel.org>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        Carvalho Chehab <mchehab+huawei@kernel.org>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-usb@vger.kernel.org, linux-phy@lists.infradead.org,
        linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH 4/4] dt-bindings: mfd: syscon: require specific compatible also for simple-mfd
Date:   Wed, 17 Aug 2022 17:22:46 +0300
Message-Id: <20220817142246.828762-5-krzysztof.kozlowski@linaro.org>
In-Reply-To: <20220817142246.828762-1-krzysztof.kozlowski@linaro.org>
References: <20220817142246.828762-1-krzysztof.kozlowski@linaro.org>
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The syscon bindings require a device specific compatible, beside the
"syscon".  However schema counts "simple-mfd" as such, which allows
simple-mfd+syscon to sneak in.

Adjust the match to be sure simple-mfd also comes with a device specific
compatible.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 Documentation/devicetree/bindings/mfd/syscon.yaml | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index c958086a5fc3..a64c7a71e6fe 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -72,7 +72,7 @@ properties:
       - contains:
           const: syscon
         minItems: 2
-        maxItems: 4  # Should be enough
+        maxItems: 5  # Should be enough
 
   reg:
     maxItems: 1
@@ -93,6 +93,18 @@ required:
   - compatible
   - reg
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: simple-mfd
+    then:
+      properties:
+        compatible:
+          minItems: 3
+          maxItems: 5
+
 additionalProperties: true
 
 examples:
-- 
2.34.1